/* ==========================================================================
   Buzzin Content Studio - Base Styles
   Design tokens, reset, typography, utilities
   ========================================================================== */

/* --------------------------------------------------------------------------
   Design Tokens (CSS Custom Properties)
   -------------------------------------------------------------------------- */
:root {
  /* Colors - Professional warm palette */
  --color-white: #ffffff;
  --color-off-white: #FEE4D0;
  --color-cream: #FEE4D0;
  --color-cream-dark: #DFD4CA;
  --color-gray-50: #F5F0EB;
  --color-gray-100: #E8E0D8;
  --color-gray-200: #C3D2D5;
  --color-gray-300: #A8B5B8;
  --color-gray-400: #7A8A8D;
  --color-gray-500: #5A6A6D;
  --color-gray-600: #3D4D50;
  --color-gray-700: #1F3438;
  --color-gray-800: #0C2E37;
  --color-gray-900: #0C2E37;
  --color-black: #061419;

  /* Primary accent - Golden amber */
  --color-primary-50: #FEF9E7;
  --color-primary-100: #FDF0C3;
  --color-primary-200: #FCE79F;
  --color-primary-300: #FBDE7B;
  --color-primary-400: #FAC83D;
  --color-primary-500: #F9B70C;
  --color-primary-600: #E0A40B;
  --color-primary-700: #B8870A;
  --color-primary-800: #8F6908;
  --color-primary-900: #664C06;

  /* Secondary accent - Warm coral */
  --color-secondary-50: #FEF0EB;
  --color-secondary-100: #FCD9CE;
  --color-secondary-200: #F9B3A0;
  --color-secondary-300: #F08D72;
  --color-secondary-400: #E07858;
  --color-secondary-500: #CD6A4A;
  --color-secondary-600: #B85A3D;
  --color-secondary-700: #9A4A33;
  --color-secondary-800: #7C3A29;
  --color-secondary-900: #5E2A1F;

  /* Tertiary - Dark teal */
  --color-teal-50: #E6F0F2;
  --color-teal-100: #C3D2D5;
  --color-teal-200: #8AACB2;
  --color-teal-300: #5A8A93;
  --color-teal-400: #2D6874;
  --color-teal-500: #114C5A;
  --color-teal-600: #0C2E37;
  --color-teal-700: #0A2630;
  --color-teal-800: #081E26;
  --color-teal-900: #061419;

  /* Success - Forest green */
  --color-success-50: #EDF5EE;
  --color-success-100: #D3E7D5;
  --color-success-200: #A7CFAB;
  --color-success-300: #7BB781;
  --color-success-400: #5A9F62;
  --color-success-500: #416446;
  --color-success-600: #38573D;
  --color-success-700: #2F4A34;
  --color-success-800: #263D2B;
  --color-success-900: #1D3022;

  /* Warning - Orange */
  --color-warning-50: #FFF4EB;
  --color-warning-500: #FB9445;
  --color-warning-600: #E07E30;

  /* Error - Deep red */
  --color-error-50: #FCEAEA;
  --color-error-500: #912B27;
  --color-error-600: #7A2421;

  /* Alert colors */
  --color-amber-500: #FB9445;
  --color-amber-600: #E07E30;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #FEE4D0 0%, #DFD4CA 50%, #C3D2D5 100%);
  --gradient-primary: linear-gradient(135deg, #F9B70C 0%, #FBDE7B 100%);
  --gradient-warm: linear-gradient(135deg, #CD6A4A 0%, #FB9445 100%);
  --gradient-dark: linear-gradient(135deg, #0C2E37 0%, #114C5A 100%);
  --gradient-mesh: radial-gradient(at 40% 20%, rgba(249, 183, 12, 0.12) 0px, transparent 50%),
                   radial-gradient(at 80% 0%, rgba(205, 106, 74, 0.08) 0px, transparent 50%),
                   radial-gradient(at 0% 50%, rgba(249, 183, 12, 0.08) 0px, transparent 50%),
                   radial-gradient(at 80% 50%, rgba(205, 106, 74, 0.06) 0px, transparent 50%),
                   radial-gradient(at 0% 100%, rgba(12, 46, 55, 0.06) 0px, transparent 50%);

  /* Semantic colors */
  --color-text-primary: var(--color-gray-900);
  --color-text-secondary: var(--color-gray-600);
  --color-text-tertiary: var(--color-gray-500);
  --color-text-inverse: var(--color-white);
  --color-background: var(--color-cream);
  --color-background-alt: var(--color-cream-dark);
  --color-background-elevated: var(--color-white);
  --color-border: var(--color-gray-200);
  --color-border-subtle: var(--color-gray-100);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, Monaco, 'Courier New', monospace;

  /* Font sizes - Minor third scale (1.2) */
  --text-xs: 0.75rem;      /* 12px */
  --text-sm: 0.875rem;     /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */
  --text-5xl: 3rem;        /* 48px */
  --text-6xl: 3.75rem;     /* 60px */

  /* Line heights */
  --leading-none: 1;
  --leading-tight: 1.25;
  --leading-snug: 1.375;
  --leading-normal: 1.5;
  --leading-relaxed: 1.625;
  --leading-loose: 2;

  /* Font weights */
  --font-normal: 400;
  --font-medium: 500;
  --font-semibold: 600;
  --font-bold: 700;

  /* Letter spacing */
  --tracking-tight: -0.025em;
  --tracking-normal: 0;
  --tracking-wide: 0.025em;

  /* Spacing scale */
  --space-0: 0;
  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */
  --space-24: 6rem;     /* 96px */
  --space-32: 8rem;     /* 128px */

  /* Border radius */
  --radius-sm: 0.25rem;    /* 4px */
  --radius-md: 0.375rem;   /* 6px */
  --radius-lg: 0.5rem;     /* 8px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-2xl: 1rem;      /* 16px */
  --radius-3xl: 1.5rem;    /* 24px */
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-inner: inset 0 2px 4px 0 rgb(0 0 0 / 0.05);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Z-index scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-tooltip: 600;

  /* Container widths */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1200px;
  --container-2xl: 1400px;
}

/* --------------------------------------------------------------------------
   CSS Reset (Modern Normalize)
   -------------------------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: 100%;
  -moz-tab-size: 4;
  tab-size: 4;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  line-height: var(--leading-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

ul,
ol {
  list-style: none;
}

/* --------------------------------------------------------------------------
   Base Typography
   -------------------------------------------------------------------------- */
body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  color: var(--color-text-primary);
  background-color: var(--color-background);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-display);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

h1 {
  font-size: var(--text-5xl);
  font-weight: 800;
  letter-spacing: -0.03em;
}

h2 {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
}

h3 {
  font-size: var(--text-2xl);
}

h4 {
  font-size: var(--text-xl);
}

h5 {
  font-size: var(--text-lg);
}

h6 {
  font-size: var(--text-base);
}

p {
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
}

strong {
  font-weight: var(--font-semibold);
}

small {
  font-size: var(--text-sm);
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background-color: var(--color-gray-100);
  padding: 0.125em 0.375em;
  border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   Links
   -------------------------------------------------------------------------- */
a {
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-600);
}

/* --------------------------------------------------------------------------
   Selection
   -------------------------------------------------------------------------- */
::selection {
  background-color: var(--color-primary-100);
  color: var(--color-primary-900);
}

/* --------------------------------------------------------------------------
   Focus styles
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-primary-500);
  outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */

/* Text colors */
.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-inverse { color: var(--color-text-inverse); }
.text-accent { color: var(--color-primary-600); }
.text-success { color: var(--color-secondary-600); }

/* Text sizes */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

/* Font weights */
.font-normal { font-weight: var(--font-normal); }
.font-medium { font-weight: var(--font-medium); }
.font-semibold { font-weight: var(--font-semibold); }
.font-bold { font-weight: var(--font-bold); }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Line heights */
.leading-tight { line-height: var(--leading-tight); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }

/* Display */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

/* Flexbox utilities */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Spacing - Margin */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* Spacing - Padding */
.p-0 { padding: 0; }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }

/* Width */
.w-full { width: 100%; }
.max-w-sm { max-width: var(--container-sm); }
.max-w-md { max-width: var(--container-md); }
.max-w-lg { max-width: var(--container-lg); }
.max-w-xl { max-width: var(--container-xl); }
.max-w-2xl { max-width: var(--container-2xl); }

/* Border radius */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* Visibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Responsive visibility */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}

@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(249, 183, 12, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(249, 183, 12, 0); }
}

/* Animation utilities */
.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.5s ease-out forwards;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out forwards;
}

/* Staggered animation delays */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }
.delay-6 { animation-delay: 0.6s; }

/* Scroll-triggered animations (requires JS) */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}